Upgrade highline - previous version was yanked
Upgrade highline - previous version was yanked

See:

- https://circleci.com/gh/graysonwright/administrate-prototype/1
- http://rubygems.org/gems/highline/versions

tmecklem/administrate,astarix/administrate,nando/administrate,TheHumanEffort/administrate,dminchev/administrate,thoughtbot/administrate,joshua5201/administrate,BenMorganIO/administrate,TheHumanEffort/administrate,thoughtbot/administrate,gustavo-alb/administrate,gustavo-alb/administrate,BenMorganIO/administrate,jasnow/administrate,nburkley/administrate,nburkley/administrate,dminchev/administrate,dminchev/administrate,acrogenesis-lab/administrate,jasnow/administrate,TheHumanEffort/administrate,gustavo-alb/administrate,flama/administrate,flama/administrate,nburkley/administrate,TheHumanEffort/administrate,BenMorganIO/administrate,nando/administrate,astarix/administrate,vgsantoniazzi/administrate,gustavo-alb/administrate,astarix/administrate,kpheasey/administrate,joshua5201/administrate,nando/administrate,flama/administrate,kpheasey/administrate,dminchev/administrate,thoughtbot/administrate,jasnow/administrate,kpheasey/administrate,astarix/administrate,acrogenesis-lab/administrate,vgsantoniazzi/administrate,kpheasey/administrate,vgsantoniazzi/administrate,nando/administrate,jasnow/administrate,micapam/administrate,acrogenesis-lab/administrate,tmecklem/administrate,flama/administrate,micapam/administrate,micapam/administrate,acrogenesis-lab/administrate,micapam/administrate,BenMorganIO/administrate,joshua5201/administrate,joshua5201/administrate,thoughtbot/administrate,vgsantoniazzi/administrate,nburkley/administrate,tmecklem/administrate,tmecklem/administrate